Tire.



W. B. GONNELL.

TIRE.

APPLIOATION FILED mass, 190s.

Patented Oct; 12, 1909.

UNITED s'rirrns PATENT OFFICE.

, lb all whom it may concern:

, direction indicated by Be it known that I, \Vnmun B. COXNELL, acitizen of the United States of America, and resident of Chicago,Illinois, have invented a certain new and useful Improvement in Tires,of which the following is a specification.

My invention relates to improvements in tires, and is especiallyapplicable to tires for use on automobiles, and has for its object theproduction of a tire in which the maximum of resiliency may be obtainedat only a small proportion of expensive material.

A further object is the production of a device that will not quicklyWear out and one that may be quickly put in place, as well as one thatcan be cheaply constructed.

These and such other objects as may hereinafter appear are attained bymy device, an embodiment of which isillustrated in the accompanyingdrawings, in which- Figure 1 represents a portion of awheel with myimproved tire in position, partly' in section. Fig; 2 represents asectional view on line 2-2 of Fig. 1, looking in the the arrows..-

L ke numerals of reference indicate like parts in the several figures ofthe drawings.

Referring now to the drawings3 represents a hub, 4 the spokes, 5 thetelly of an automobile wheel; 66 side rims "having projections 7 adaptedto' grip intothe tire 8. Screw-bolts 8* hold the rim securely in placeon the telly. The tire proper comprises ,a body portion 9, a web 10, atread 11 and a base 12. The body portion or section comprises foursegments having inner curved faces 13, inner bearing faces l lfiandouter faces 15, the outer bearing faces pressing against the tread andbase and the inner faces against the web 10. The base 12 and bodyportions 9 may be madei'rom a cheap grade of rubber, as they are onlysubjected to compression. The tread 11 may be made of rubber and fibersimilar to hose, or in any other manner, or any material, so that itWill have a" good wearing surface. The central web, however, must bemade of the very best be subjected to great tensile strain.

In assembling the parts of the tire, the body portions 9 are preferablycemented to the web, although other fastening means may be used, ifdesired.

Specification of Letters Patent. Application filed August 28, 1908.

quality of rubber, as it will- Patented Oct. 12, 1909. Serial No.450,655.

I In the use of my improved tire, the direct thrust upwardly from theground and downwardly from the hub first tends to compress the portions9, the pressure and thrust on the outer portions of the tire beingdirectly transmitted to that portion of the web to which the portions 9are cemented. he pressure and thrust from the center of the tire is,however, deflected, as indicated by the arrows in Fig. 2, and istransmitted to the same portion of the web, but at an acute angle, andthe strains. are resolved into direct pull or tension on the weblO. Itwill thus be seen that no matter what the strain, if within reasonablelimits, the result is the same, and the pressure and thrust compressingthe portions 9 stretches the web up to the point of the actual crushingof the tire. This conversion of the strains gives practically the sameresults as a pneumatic tire. The Web being unconfined between the endsis free to vibrate, and to contract and expand, thus incidentally takingup all jolts or jars.

The fact that it is necessary to use the best rubber in only the webportion makes it possible to furnish a tire at a very reasonable cost,that will'stand all the tests as Well as the most expensive tires.

It is evident that this same form of construction may be used forcushion springs, or. other devices in which it is desired to obtainresiliency.

claim:

1. An automobile tire comprising a pluralityof compression members, anexpansion member, the compression members being lo cated on oppositesides of said expansion member and provided with faces meeting in astraight line, providing substantially triangular channels with curvedsides on either side of said expansion member.-

2. An article of the class described comprising a central web and twopairs of compression members having oppositely disposed flattened sidesresting on the ends of said web, the inner faces of said members beingso positioned as to form a pair of substantially triangular channels oneon either ,side of said web.

' 3. An article of the class described, comprising a central web and twopairs of compression members having oppositely discurved inner posedflattened sides resting on the ends of said web, the inner faces of saidmembers being so positioned as to form a pair of substantiallytriangular channels one on either side of said web, and a wearing facesecured to said members.

4. An article of the class described, comprising a central web, twopairs of flattened compression members located 011 each side of said weband resting thereon, the inner faces of said members being so disposedas to form a triangular channel on either side of said Web, anda wearingmember secured to said member, said compression members being sopositioned that any compression 1s transmitted to the ends of said webor tension member, holding it between said members. 5. An automobiletire made up of a plurality of compression members and an expansionmember, the compression members being located on opposite sides of theexpan sion member and provided With inwardly curved inner facesproviding substantially triangular channels with curved sides on eitherside of said expansionmember.

Signed by me at Chicago, 111., this 18th day of August, 1908. V

VILLIAM B. CONN ELL. Witnesses F. H. DRURY, C. EQTAYLOR.

